1ml Syringe Luer Lock (1-Pack) - Shatter & Heat Resistant, Borosilicate Glass Syringe 1ml for Use With Liquids, Glue, Oils, Ink | Premium Quality for Use in Labs & for Crafts

"Not bad" as in "not defective"! Praise His be! Or something! I can't tell you how many 1.0 mL glass syringes of this design I've gone through, having that plastic luer collar pop off the nozzle detent if you so much as brush against it. There's probably luer collars popping off them all over the world just from me talking about this right now. Now I'm not telling anyone NOT to stay vigilant about these syringes, because it's hard out there in this dog-eat-dog, eat dog or be eaten by dog/dogman world. But every single one of the collars on my pack of 10 syringes held up, and I certainly was able to attach needles of various blade styles without pulling off the collar, or losing suction from under-tightening the needle out of fear for the latter. I'm hoping the QC of their supplier is consistent, and I will definitely be ordering again!

I recently purchased the Kopperko Borosilicate Glass Syringe, and it has exceeded my expectations in every way. The 1ml capacity is perfect for my needs, and the heat-resistant borosilicate glass construction ensures it’s durable and reliable. I primarily use it for filling vape cartridges that require the application of heat to make the solution soluble, and the Luer lock design makes it incredibly easy to attach and secure the 14GA blunt tip needle.What sets this syringe apart is its versatility and precision. The blunt tip needle is non-hypodermic, making it safe and ideal for use with a variety of substances, including liquids, glues, oils, and ink. The syringe's construction allows for smooth and controlled dispensing, which is essential for delicate tasks. Overall, this Kopperko glass syringe is a high-quality, versatile tool that has become indispensable in my projects. Highly recommend!

in my perfect world these would be made of all glass but i’m guessing that’s hard to manufacture. The plug comes undone from rod if you have high viscosity oil so super glue is needed to keep it in place otherwise one of the best on the market.

Seriously— the product works fine.Oh, you couldn’t suck up the oil? Did you even try to warm it to get the proper viscosity or did you just dive right into it with no forethought, like the fiend you are, and really think it would work?Oh, it melted? It’s not a GD pizza. There’s no earthly reason any infusion should be anywhere near that hot unless it’s at the time of consumption. Please, please, PLEASE get a CLUE and maybe a google search before you knock something due to your own ineptitude.

These are good quality

While looking for a replacement on a disposable unit I own, I came across this product and ordered it. I was happy and impressed to find a Borosilicate glass syringe. The quality of the material shows through. Unfortunately, it didn't work with the dispensing needles I had bought: HARFINGTON 12pcs Dispensing Needles, 32 Gauge 1/2" Stainless Steel Blunt Tip 45 Degrees. The female head of the needle doesn't fit onto the lip slot in a way that is easy to seal on. It was impossible to induct the liquid into the syringe. I poured the liquid into the syringe and when pressed out, some came through the needle, but mostly it was dripping out of the lip. Not sure if there is an ideal 30-32 gauge needle to use with this lovely glass syringe, but would love to know. I gave it a 3 for that reason. I was on Amazon for many hours before finding these two, a glass syringe and stainless steel needle tips. However, if I find the dispensing needle that it works well with I would love to update my review. I recognize that it may not be compatible with the product I bought and would love to find the one that is compatible. Let me say also, that finding a 30-32 gauge item was not easy.

These are horrible syringes if you wish to use them for precisely measuring liquids. The gradations that go up to 1ml on this syringe only reach ~1/4 the way down the syringe's body. The decision to make these syringes so small and wide makes them impossible to use to actually measure out fluids. Furthermore, if you do not have hands any larger than a toddler's would be, they are too small to use with any dexterity or exactness. While they fulfill the minimum asked of them as glass syringes (vis. being glass syringes), they fail to be precise or easy to use. There is a reason normal disposable 1ml syringes have clearly marked gradations down the entire body and not 1/4 the way down the entire body, accurate and easy measuring. The only possible reason I can think of that would explain this horrid decision is that syringes of a smaller diameter were too brittle, but this argument holds little weight when dropper bottle are considered. If dropper bottles can have glass that is thin but still durable and shatter-resistant, then it is no large ask for these glass syringe to do the same. If you do not value precision, these may be a good purchase, if you do...steer clear of these syringes.

I use this to transfer cannabis oil from one cartridge to another and to mix different oils together. The blunt tip is perfect length to easily transfer oil from one cartridge to another. Good price too.